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<p class="line867"><strong>How do I hide the UTM campaign tracking variables in my links?</strong> <p class="line874">Urchin allows you to tag your links using master tracking codes (known as a utm_id) instead of including a list of individual variables. You simply use the utm_id in your links, and define the meaning of each utm_id in a table. For example, instead of <pre>    http://www.example.com/?utm_source=overture&amp;utm_medium=cpc&amp;utm_campaign=springpromo
</pre><p class="line874">you can use a utm_id as follows: <pre>    http://www.example.com/?utm_id=2
</pre><p class="line874">Using a utm_id hides your campaign tracking variables from web surfers and makes your tagging process less error-prone, since campaign tracking variable values are specified in a table, where corrections and changes are easily made. <p class="line874">To use master tracking codes, you'll need to: <ol type="1"><li>Define your codes in a table </li><li>Use your master tracking codes in your links </li></ol><p class="line862">Learn more in <a href="How_To_Use_Master_Tracking_Codes.html">How To Use Master Tracking Codes</a>. </div><div id="pagebottom"></div>
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